<!DOCTYPE html>
<html lang="zh">
<head>
	<meta charset="UTF-8">
	<title>css过渡和转换</title>
	<link rel="stylesheet" href="index.css">
</head>
<body>
<div class="container">
	<div class="div1">1</div>
	<div class="div2">2</div>
	<div class="div3">3</div>
	<div class="div4">4</div>
	<div class="div5">5</div>
</div>

</body>
</html>
